How To Step Flash A Roof

One common method is to lay the edge metal under the eaves membrane and over the rake details concrete masonry roofing wrb flashing.

How to step flash a roof.

Cut step flashing pieces to be 10 in. Install the step flashing before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof. Longer than the shingle s exposure. Even if one piece of step flashing fails the flashing and shingle below it start the.

Two ways to flash roof edges protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. Cover tops of step. However it s important to check for damage anyway. Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.

Make corner flashing from step flashing. Two part flashing systems consist of a base flashing often step flashing that is laced into the finished roof material. Wide and 2 in. Here s how to do it right the first time.

Nail through flashing into shingle do not extend flashing above top of shingle and. The base is then covered by another metal flashing piece lapped over it. The vertical flange of the flashing is to extend up behind the adjoining siding. When working with step flashing this may involve removing undamaged pieces of flashing as well.

Be sure to follow the. Step flashing redirects the water back onto the shingle. Once you ve shingled up to the sidewall cut a piece of step flashing. Continuous flashing is sometimes seen where a roof meets a sidewall but in the long run step flashing will do a better job of preventing water leaks.

Step flashings are to be installed one per course. The second piece should not be fastened to the base so the two pieces can move against each other independently when the roofing materials shift with seasonal change. Bend the first piece along the plumb line. If you find damage then you will have to get it.

The roof deck flange of step flashings are to be fastened to the surface of each shingle in a position whereby the next course of shingles will cover up hide the flashing from view. Lay a bead of sealant.